A VHS tape from Sheldon's past inspires him not to give up; Bernadette turns into a pageant mom when she tries to help Wolowitz with his Magic Castle audition.

Mark is anxious to get his driver's license when a job opportunity presents itself across town; Darlene attempts to teach Mark to drive, but her frantic energy sends him running to Ben for help; Harris meets a new guy online.

Sheldon tries to bond with Amy's father, but when Wolowitz lures Mr. Fowler away with magic tricks, Sheldon has no choice but to bond with Mrs. Fowler; Koothrappali and Anu try to get physical for the first time.

Sheldon and Amy are devastated after learning from a Russian paper that Super Asymmetry has already been discovered and disproved; Bernadette wants to beat Howard in a popular video game.

A VHS tape from Sheldon's past inspires him not to give up; Bernadette turns into a pageant mom when she tries to help Wolowitz with his Magic Castle audition.

When Sheldon bans Penny from the apartment for a series of petty infractions, Penny vows to get revenge.

Robin and Lily have a fight on the morning of the wedding; Barney can't decide what suit to wear; the gang watch a movie that Ted didn't want them to see.

Marshall asks Barney and Ted for help figuring out where Lily went in the middle of the night during their argument.

Ron mocks Alex and Matt's attempts to resolve a conflict between two prison inmates who stabbed each other in a gang fight; Serena helps Bruce address his fear of needles; Joyce finds herself smitten by the burly prison guard.

Matt is a stubborn, widowed owner of a classic car restoration shop; when Matt's estranged daughter and her kids move into his house, the real restoration begins.

When Sheldon bans Penny from the apartment for a series of petty infractions, Penny vows to get revenge.

Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.

When Jackie moves in with Neville, he shows up to their home with an excess of animals from his vet office; Darlene and Ben have an argument as Ben points out Darlene is turning into her father.

Mark is anxious to get his driver's license when a job opportunity presents itself across town; Darlene attempts to teach Mark to drive, but her frantic energy sends him running to Ben for help; Harris meets a new guy online.

Lacey is suspicious of the illegal duplication of Dog River money; Hank gets a case of pink eye, causing Brent and Wanda to panic in Corner Gas; Karen is frustrated with Davis.

Emma goes Christmas shopping early making everyone curious to find out what they are getting.

Karen and Davis figure out a way to get Emma to do free cleaning.

Oscar and Emma discover an easy way to make some fast money; Davis decides to take off with Brent's car.

Paul and Connor know immediately what is in store when the lights go off in the Cash Cab and do their best to keep themselves from getting kicked out.

A hard question forensics question comes up, but luckily there is a mortician in the cab.

Lacey is suspicious of the illegal duplication of Dog River money; Hank gets a case of pink eye, causing Brent and Wanda to panic in Corner Gas; Karen is frustrated with Davis.

Emma goes Christmas shopping early making everyone curious to find out what they are getting.

Karen and Davis figure out a way to get Emma to do free cleaning.

Oscar and Emma discover an easy way to make some fast money; Davis decides to take off with Brent's car.

Paul and Connor know immediately what is in store when the lights go off in the Cash Cab and do their best to keep themselves from getting kicked out.

A hard question forensics question comes up, but luckily there is a mortician in the cab.

Lacey is suspicious of the illegal duplication of Dog River money; Hank gets a case of pink eye, causing Brent and Wanda to panic in Corner Gas; Karen is frustrated with Davis.

Emma goes Christmas shopping early making everyone curious to find out what they are getting.

Karen and Davis figure out a way to get Emma to do free cleaning.

Oscar and Emma discover an easy way to make some fast money; Davis decides to take off with Brent's car.

When a relative passes away unexpectedly, the family must debate about who should gain custody of a jaded nephew, who is just shy of his 18th birthday.

Robin and Lily have a fight on the morning of the wedding; Barney can't decide what suit to wear; the gang watch a movie that Ted didn't want them to see.

Marshall asks Barney and Ted for help figuring out where Lily went in the middle of the night during their argument.

Ron mocks Alex and Matt's attempts to resolve a conflict between two prison inmates who stabbed each other in a gang fight; Serena helps Bruce address his fear of needles; Joyce finds herself smitten by the burly prison guard.

Matt is a stubborn, widowed owner of a classic car restoration shop; when Matt's estranged daughter and her kids move into his house, the real restoration begins.

Penny and Leonard organize a paintball game, which results in mayhem when Sheldon becomes jealous of Amy; Koothrappali catches Anu with her ex-boyfriend; Stuart doesn't want to move in with Denise.

Penny's ex-boyfriend Zack learns that he is infertile, so he asks Leonard for help; Koothrappali attempts to mend things with his ex-fiancee Anu.

Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination; Bernadette has a big success at work.

When a relative passes away unexpectedly, the family must debate about who should gain custody of a jaded nephew, who is just shy of his 18th birthday.

Problems arise on Beverly Rose's first day of kindergarten; Becky and Darlene have a disagreement; Harris advises an unusual solution for Dan's back pain.

With only a half an hour left before the wedding, Robin and Barney panic; Lily and Marshall rewrite their wedding vows.

Ted's kids hear the end of the story of how he met their mother.

Ted's kids hear the end of the story of how he met their mother.

When Robin must leave in the middle of their first date, Ted can hardly wait to see her again, and his eagerness threatens to scare her away.

Penny and Leonard organize a paintball game, which results in mayhem when Sheldon becomes jealous of Amy; Koothrappali catches Anu with her ex-boyfriend; Stuart doesn't want to move in with Denise.

Penny's ex-boyfriend Zack learns that he is infertile, so he asks Leonard for help; Koothrappali attempts to mend things with his ex-fiancee Anu.

Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.

Leonard asks Penny for advice when his new relationship starts moving too fast.

Conan O'Brien becomes the first American late-night host to do a show from Armenia.

Penny and Leonard organize a paintball game, which results in mayhem when Sheldon becomes jealous of Amy; Koothrappali catches Anu with her ex-boyfriend; Stuart doesn't want to move in with Denise.

Penny's ex-boyfriend Zack learns that he is infertile, so he asks Leonard for help; Koothrappali attempts to mend things with his ex-fiancee Anu.

Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination; Bernadette has a big success at work.

Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.

Conan O'Brien becomes the first American late-night host to do a show from Armenia.

Ted's kids hear the end of the story of how he met their mother.

When Robin must leave in the middle of their first date, Ted can hardly wait to see her again, and his eagerness threatens to scare her away.

Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.

Leonard asks Penny for advice when his new relationship starts moving too fast.

When a relative passes away unexpectedly, the family must debate about who should gain custody of a jaded nephew, who is just shy of his 18th birthday.

Problems arise on Beverly Rose's first day of kindergarten; Becky and Darlene have a disagreement; Harris advises an unusual solution for Dan's back pain.

Lacey gets invited to join the Dog River Women's Club, but soon realises that it isn't right for her.

It's the eve of Brent's 40th birthday; to celebrate, the town has planned a midnight party complete with fireworks and a parade.

Lacey is the unlikely champion of an eating contest; Emma enjoys the pleasures of an MP3 player.

Brent and Lacey sponsor Davis' football team; Karen's reckless driving puts Hank in the driver's seat.

Brent offers self-serve; Lacey goes buffet style at the Ruby.

The air conditioner breaks at Corner Gas; Karen and Davis win the meat lottery.

Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law; Leonard is disappointed when his friends exclude him from a scientific project.

Penny tries to throw a wrench into Leonard's plan to be a sperm donor for her ex-boyfriend; Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip aboard the "vomit comet.".

The gang uses deception and betrayal to make it to the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game with William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith.

When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is left in charge of the kids; Sheldon finds a book about experimenting on kids.

When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold; Halley's fear of the dark leads to opportunity and conflict.

The weight of winning a Nobel Prize weighs heavy on Amy's shoulders; Koothrappali and Wolowitz try to relive the good old days after Wolowitz buys a scooter that looks like the one he had years ago.

Koothrappali is worried people won't take him seriously in his own field after publishing a paper that suggests he may have discovered alien life; Leonard wants to be the principal investigator on a plasma physics study.

Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not; Wolowitz learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.

Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.

Sheldon and Amy await big news.

Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; Koothrappali makes a new friend; the gang travels together into an uncharted future.

Leonard is happy to meet new neighbor Penny, but his roommate thinks he is chasing an impossible dream.

Leonard volunteers to sign for a package, hoping to make a good impression on Penny.

Unhappy to learn that Penny is seeing someone, Leonard summons the courage to ask another woman on a date.

Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law; Leonard is disappointed when his friends exclude him from a scientific project.

Penny tries to throw a wrench into Leonard's plan to be a sperm donor for her ex-boyfriend; Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip aboard the "vomit comet.".

The gang uses deception and betrayal to make it to the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game with William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith.

When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is left in charge of the kids; Sheldon finds a book about experimenting on kids.

When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold; Halley's fear of the dark leads to opportunity and conflict.

The weight of winning a Nobel Prize weighs heavy on Amy's shoulders; Koothrappali and Wolowitz try to relive the good old days after Wolowitz buys a scooter that looks like the one he had years ago.

Koothrappali is worried people won't take him seriously in his own field after publishing a paper that suggests he may have discovered alien life; Leonard wants to be the principal investigator on a plasma physics study.

Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not; Wolowitz learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.

Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.

Sheldon and Amy await big news.

Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; Koothrappali makes a new friend; the gang travels together into an uncharted future.

Leonard is happy to meet new neighbor Penny, but his roommate thinks he is chasing an impossible dream.

Leonard volunteers to sign for a package, hoping to make a good impression on Penny.

Unhappy to learn that Penny is seeing someone, Leonard summons the courage to ask another woman on a date.

Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law; Leonard is disappointed when his friends exclude him from a scientific project.

Penny tries to throw a wrench into Leonard's plan to be a sperm donor for her ex-boyfriend; Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip aboard the "vomit comet.".

The gang uses deception and betrayal to make it to the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game with William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith.

When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is left in charge of the kids; Sheldon finds a book about experimenting on kids.

When competitors Pemberton and Campbell charm America on a publicity tour, Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold; Halley's fear of the dark leads to opportunity and conflict.

The weight of winning a Nobel Prize weighs heavy on Amy's shoulders; Koothrappali and Wolowitz try to relive the good old days after Wolowitz buys a scooter that looks like the one he had years ago.

Koothrappali is worried people won't take him seriously in his own field after publishing a paper that suggests he may have discovered alien life; Leonard wants to be the principal investigator on a plasma physics study.

Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not; Wolowitz learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.

Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.

Sheldon and Amy await big news.

Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; Koothrappali makes a new friend; the gang travels together into an uncharted future.

Leonard is happy to meet new neighbor Penny, but his roommate thinks he is chasing an impossible dream.

Leonard volunteers to sign for a package, hoping to make a good impression on Penny.

Unhappy to learn that Penny is seeing someone, Leonard summons the courage to ask another woman on a date.

Karen's reputation as a woman of the law is marred when an accidental muffin incident causes chaos for the team.

Oscar and Emma enjoy Lacey's company in their new hot tub a lot more than Lacey enjoys theirs; the police department introduces Safety Pete.

Wanda becomes a reporter for the Howler; Brent takes guitar lessons.

Brent tries to prove he is the biggest Saskatchewan Roughriders fan.

Oscar kicks off the New Year with startling news about his national identity; the gang gets involved in a resolution contest.

Brent pleads with Hank not to embarrass him when they go to see Brent's favorite comic book writer.

Monica is so perturbed by Chandler's instant attraction to her gorgeous visiting cousin (Denise Richards) that she persuades Ross to let her stay at his apartment; Ross finds his attraction to his cousin unsettling.

Rachel encounters a sorority sister (Winona Ryder) with whom she shared an embarrassing and passionate moment.

While writing their wedding vows, Monica and Chandler have trouble putting their true feelings on paper.

Trying to ensure an ideal wedding, Monica arranges a meeting so Chandler and his estranged father can reconcile.

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

The reception following Monica and Chandler's wedding is almost upstaged by the news that a member of the group might be pregnant.

The gals speculate about the father of Rachel's baby, the guys scramble after Chandler loses the film from his wedding.

The real father of Rachel's baby is revealed; Monica and Chandler struggle to make their honeymoon flight.

Ross and Rachel argue over how they ended up in bed together weeks earlier, so Ross announces he has the encounter on tape.

Ross is horrified when Rachel goes on a date with a soap-opera star (Johnny Messner); Phoebe is attracted to a clumsy chef whom Monica wants to fire.

At Monica's Halloween party, Phoebe meets her twin sister's fiance and finds that she is attracted to him.

Rachel wants to find her own apartment; Phoebe is ecstatic when Eric (Sean Penn) dumps Ursula to date her.

Rachel's father confronts Ross after she admits that she's pregnant with Ross' baby; Monica reconsiders Chandler's wish for a stripper.

Monica is so perturbed by Chandler's instant attraction to her gorgeous visiting cousin (Denise Richards) that she persuades Ross to let her stay at his apartment; Ross finds his attraction to his cousin unsettling.

Rachel encounters a sorority sister (Winona Ryder) with whom she shared an embarrassing and passionate moment.

While writing their wedding vows, Monica and Chandler have trouble putting their true feelings on paper.

Trying to ensure an ideal wedding, Monica arranges a meeting so Chandler and his estranged father can reconcile.

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

The reception following Monica and Chandler's wedding is almost upstaged by the news that a member of the group might be pregnant.

The gals speculate about the father of Rachel's baby, the guys scramble after Chandler loses the film from his wedding.

The real father of Rachel's baby is revealed; Monica and Chandler struggle to make their honeymoon flight.

Ross and Rachel argue over how they ended up in bed together weeks earlier, so Ross announces he has the encounter on tape.

Ross is horrified when Rachel goes on a date with a soap-opera star (Johnny Messner); Phoebe is attracted to a clumsy chef whom Monica wants to fire.

At Monica's Halloween party, Phoebe meets her twin sister's fiance and finds that she is attracted to him.

Rachel wants to find her own apartment; Phoebe is ecstatic when Eric (Sean Penn) dumps Ursula to date her.

Rachel's father confronts Ross after she admits that she's pregnant with Ross' baby; Monica reconsiders Chandler's wish for a stripper.

Monica is so perturbed by Chandler's instant attraction to her gorgeous visiting cousin (Denise Richards) that she persuades Ross to let her stay at his apartment; Ross finds his attraction to his cousin unsettling.

Rachel encounters a sorority sister (Winona Ryder) with whom she shared an embarrassing and passionate moment.

While writing their wedding vows, Monica and Chandler have trouble putting their true feelings on paper.

Trying to ensure an ideal wedding, Monica arranges a meeting so Chandler and his estranged father can reconcile.

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

The reception following Monica and Chandler's wedding is almost upstaged by the news that a member of the group might be pregnant.

The gals speculate about the father of Rachel's baby, the guys scramble after Chandler loses the film from his wedding.

The real father of Rachel's baby is revealed; Monica and Chandler struggle to make their honeymoon flight.

Ross and Rachel argue over how they ended up in bed together weeks earlier, so Ross announces he has the encounter on tape.

Ross is horrified when Rachel goes on a date with a soap-opera star (Johnny Messner); Phoebe is attracted to a clumsy chef whom Monica wants to fire.

At Monica's Halloween party, Phoebe meets her twin sister's fiance and finds that she is attracted to him.

Rachel wants to find her own apartment; Phoebe is ecstatic when Eric (Sean Penn) dumps Ursula to date her.

Rachel's father confronts Ross after she admits that she's pregnant with Ross' baby; Monica reconsiders Chandler's wish for a stripper.

After an incident leaves the townsfolk puzzled, Karen tries to convince the entire town that she is not actually a crazy cat lady.

Davis is sent to a sensitivity course after making too many blonde jokes.

Lacey plans a parade for Dog River Days with all the fixings; Wanda uses a mascot to convince a corporate sponsor to support the cause; Hank battles Emma for the beauty pageant crown.

Brent accidentally locks Hank and Wanda in Corner Gas; Emma tries to get out of making Davis's special bread.

A guest is annoyed by the lights on the ceiling, asking Adam to turn them off; she realizes this is a game in which she and her friends can make money, then it's game on.

After a night on the town, a group of frat boys happen to catch the Cash Cab.

After an incident leaves the townsfolk puzzled, Karen tries to convince the entire town that she is not actually a crazy cat lady.

Davis is sent to a sensitivity course after making too many blonde jokes.

Lacey plans a parade for Dog River Days with all the fixings; Wanda uses a mascot to convince a corporate sponsor to support the cause; Hank battles Emma for the beauty pageant crown.

Brent accidentally locks Hank and Wanda in Corner Gas; Emma tries to get out of making Davis's special bread.

A guest is annoyed by the lights on the ceiling, asking Adam to turn them off; she realizes this is a game in which she and her friends can make money, then it's game on.

After a night on the town, a group of frat boys happen to catch the Cash Cab.

After an incident leaves the townsfolk puzzled, Karen tries to convince the entire town that she is not actually a crazy cat lady.

Davis is sent to a sensitivity course after making too many blonde jokes.

Lacey plans a parade for Dog River Days with all the fixings; Wanda uses a mascot to convince a corporate sponsor to support the cause; Hank battles Emma for the beauty pageant crown.

Brent accidentally locks Hank and Wanda in Corner Gas; Emma tries to get out of making Davis's special bread.

Dan encourages the family to decorate the house for Halloween; Harris takes a stand on an issue that ruffles a few feathers in Darlene's new neighborhood.

While Astrid is away on a business trip, James struggles to keep the Tooth Fairy tradition alive.

Despite getting sick, Astrid and James have to organize a kids birthday party and Felix seems to be growing up faster than Astrid thought.

As they race against time, The Berneys struggle to survive a chaotic road trip to Manitoulin Island.

Following a brush with death, James and Astrid realize they need to make a death plan, including finding legal guardians for Felix and Viv.

Getting fired gives Sheldon the opportunity to explore life beyond physics, but when he spends his time weaving ponchos and acting like a shut-in, Leonard calls Sheldon's mother for assistance.

Leonard, realizing his pursuit of Penny is fruitless, has an unexpected encounter with a fellow scientist (Sara Gilbert).

Leonard, Sheldon, Wolowitz and Koothrappali attend Penny's Halloween party.

Dan encourages the family to decorate the house for Halloween; Harris takes a stand on an issue that ruffles a few feathers in Darlene's new neighborhood.

Darlene receives a promotion at her company, but she quickly learns the fancy title is not all it's cracked up to be; when Louise loses her job at Casita Bonita, an opportunity arises to work with Jackie at the Lunch Box.

Meemaw causes a feud when she refuses to give George Sr. her brisket recipe; the kids try to resolve the feud.

George Sr. takes the boys on a road trip to see a space shuttle launch; Mary, Missy, and Meemaw have a girls weekend at the salon.

Sheldon is forced to tutor Georgie when poor grades threaten his brother's future on the football team.

When Sheldon moves to Dallas to attend a school for gifted children, the family struggles to cope with his absence.

Getting fired gives Sheldon the opportunity to explore life beyond physics, but when he spends his time weaving ponchos and acting like a shut-in, Leonard calls Sheldon's mother for assistance.

Leonard, realizing his pursuit of Penny is fruitless, has an unexpected encounter with a fellow scientist (Sara Gilbert).

When Penny's comment about Wolowitz's love life sends him into a depressed stupor, his friends lose their most important teammate in an upcoming fighting-robot competition.

The Bulldogs face off against the Timmins Timber Kings and the infamous Apeldoorn brothers.

Leonard, Sheldon, Wolowitz and Koothrappali attend Penny's Halloween party.

Darlene receives a promotion at her company, but she quickly learns the fancy title is not all it's cracked up to be; when Louise loses her job at Casita Bonita, an opportunity arises to work with Jackie at the Lunch Box.

Getting fired gives Sheldon the opportunity to explore life beyond physics, but when he spends his time weaving ponchos and acting like a shut-in, Leonard calls Sheldon's mother for assistance.

Leonard, realizing his pursuit of Penny is fruitless, has an unexpected encounter with a fellow scientist (Sara Gilbert).

Leonard, Sheldon, Wolowitz and Koothrappali attend Penny's Halloween party.

The Bulldogs face off against the Timmins Timber Kings and the infamous Apeldoorn brothers.

Meemaw causes a feud when she refuses to give George Sr. her brisket recipe; the kids try to resolve the feud.

George Sr. takes the boys on a road trip to see a space shuttle launch; Mary, Missy, and Meemaw have a girls weekend at the salon.

Sheldon is forced to tutor Georgie when poor grades threaten his brother's future on the football team.

When Sheldon moves to Dallas to attend a school for gifted children, the family struggles to cope with his absence.

When Penny's comment about Wolowitz's love life sends him into a depressed stupor, his friends lose their most important teammate in an upcoming fighting-robot competition.

The Bulldogs face off against the Timmins Timber Kings and the infamous Apeldoorn brothers.

Dan encourages the family to decorate the house for Halloween; Harris takes a stand on an issue that ruffles a few feathers in Darlene's new neighborhood.

Darlene receives a promotion at her company, but she quickly learns the fancy title is not all it's cracked up to be; when Louise loses her job at Casita Bonita, an opportunity arises to work with Jackie at the Lunch Box.

Brent finds a creative way to get through a week of no TV with the help of Hank and Wanda.

Wanda's new way of getting around town brings a European flair to Dog River; Hank's new greeting puts him in an awkward situation with Emma.

Davis tries to get Brent to join his rugby team; Brent's more focused on inventing a new rugby chant; Hank and Karen convince Lacey to start selling pizza in the Ruby.

The band Thunderface reunites; a song Brent wrote back in high school has Lacey investigating his mystery crush; Oscar shoots a fundraising video for the Seniors' Center.

Two daddy's girls are on their way to Asia and could use some travel money; after a successful ride in the Cash Cab, these ladies forget travel and contemplate spending their winnings on shoes.

Dan, Josh and Michael need to get paid and are stoked about answering questions in the Cash Cab.

Brent finds a creative way to get through a week of no TV with the help of Hank and Wanda.

Wanda's new way of getting around town brings a European flair to Dog River; Hank's new greeting puts him in an awkward situation with Emma.

Davis tries to get Brent to join his rugby team; Brent's more focused on inventing a new rugby chant; Hank and Karen convince Lacey to start selling pizza in the Ruby.

The band Thunderface reunites; a song Brent wrote back in high school has Lacey investigating his mystery crush; Oscar shoots a fundraising video for the Seniors' Center.

Two daddy's girls are on their way to Asia and could use some travel money; after a successful ride in the Cash Cab, these ladies forget travel and contemplate spending their winnings on shoes.

Dan, Josh and Michael need to get paid and are stoked about answering questions in the Cash Cab.

Brent finds a creative way to get through a week of no TV with the help of Hank and Wanda.

Wanda's new way of getting around town brings a European flair to Dog River; Hank's new greeting puts him in an awkward situation with Emma.

Davis tries to get Brent to join his rugby team; Brent's more focused on inventing a new rugby chant; Hank and Karen convince Lacey to start selling pizza in the Ruby.

The band Thunderface reunites; a song Brent wrote back in high school has Lacey investigating his mystery crush; Oscar shoots a fundraising video for the Seniors' Center.

Jackie must come to terms with her mother becoming ill; Darlene's job hunt proves to be more difficult than anticipated.

Meemaw causes a feud when she refuses to give George Sr. her brisket recipe; the kids try to resolve the feud.

George Sr. takes the boys on a road trip to see a space shuttle launch; Mary, Missy, and Meemaw have a girls weekend at the salon.

Sheldon is forced to tutor Georgie when poor grades threaten his brother's future on the football team.

When Sheldon moves to Dallas to attend a school for gifted children, the family struggles to cope with his absence.

Penny sleeps on Leonard and Sheldon's couch when Wolowitz seduces her friend and takes over her apartment; in need of a fourth member, the guys ask Penny to join their "Halo" team.

On a blind date, Koothrappali discovers that he can talk to the opposite sex after a few drinks, but his date takes an interest in Sheldon.

Penny tries to mediate when Sheldon and Leonard disagree on whether to present their joint findings at a physics conference.

Jackie must come to terms with her mother becoming ill; Darlene's job hunt proves to be more difficult than anticipated.

Darlene, Ben, Becky and Beverly Rose move into the new house, where Darlene implements a new set of rules.

Rachel encounters a sorority sister (Winona Ryder) with whom she shared an embarrassing and passionate moment.

While writing their wedding vows, Monica and Chandler have trouble putting their true feelings on paper.

During a family emergency, with both James and Astrid busy at work, they need to rethink their childcare plan.

Trying to ensure an ideal wedding, Monica arranges a meeting so Chandler and his estranged father can reconcile.

Astrid and James get some much-needed adult time when they convince Nisha to take the kids for the night; their night gets complicated however, when a small lie grows out of control.

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

Penny sleeps on Leonard and Sheldon's couch when Wolowitz seduces her friend and takes over her apartment; in need of a fourth member, the guys ask Penny to join their "Halo" team.

On a blind date, Koothrappali discovers that he can talk to the opposite sex after a few drinks, but his date takes an interest in Sheldon.

Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.

Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.

Penny tries to mediate when Sheldon and Leonard disagree on whether to present their joint findings at a physics conference.

Darlene, Ben, Becky and Beverly Rose move into the new house, where Darlene implements a new set of rules.

Penny sleeps on Leonard and Sheldon's couch when Wolowitz seduces her friend and takes over her apartment; in need of a fourth member, the guys ask Penny to join their "Halo" team.

On a blind date, Koothrappali discovers that he can talk to the opposite sex after a few drinks, but his date takes an interest in Sheldon.

Penny tries to mediate when Sheldon and Leonard disagree on whether to present their joint findings at a physics conference.

Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.

Rachel encounters a sorority sister (Winona Ryder) with whom she shared an embarrassing and passionate moment.

While writing their wedding vows, Monica and Chandler have trouble putting their true feelings on paper.

Trying to ensure an ideal wedding, Monica arranges a meeting so Chandler and his estranged father can reconcile.

During a family emergency, with both James and Astrid busy at work, they need to rethink their childcare plan.

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

Astrid and James get some much-needed adult time when they convince Nisha to take the kids for the night; their night gets complicated however, when a small lie grows out of control.

Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.

Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.

Jackie must come to terms with her mother becoming ill; Darlene's job hunt proves to be more difficult than anticipated.

Darlene, Ben, Becky and Beverly Rose move into the new house, where Darlene implements a new set of rules.

Brent and Hank take a trip down memory lane by stealing crab apples from a neighbor's yard; no one wants Oscar on their charades team; Davis and Wanda discover he benefits of complaining.

David tries to buy the original R2-D2 after Hank buys a robot online.

Wanda repairs junk to re-sell at the community yard sale; Oscar, Emma, and Davis become obsessed with Karen's high-end beauty serums.

The Corner Gas parking lot becomes a drive-in; Hank puts Davis and Karen on high alert for potential criminal behavior; Oscar and Emma take advantage, reliving their youthful friskiness; Lacey touches a nerve of Brent's.

There are many questions for Adam upon figuring out that they are in the Cash Cab; regardless, the group of three carry on.

Two brothers try to impress their gorgeous friend with their cash cab wits; but it's possible it will be Marcia who will be the impressive one, all the way to their destination.

Brent and Hank take a trip down memory lane by stealing crab apples from a neighbor's yard; no one wants Oscar on their charades team; Davis and Wanda discover he benefits of complaining.

David tries to buy the original R2-D2 after Hank buys a robot online.

Wanda repairs junk to re-sell at the community yard sale; Oscar, Emma, and Davis become obsessed with Karen's high-end beauty serums.

The Corner Gas parking lot becomes a drive-in; Hank puts Davis and Karen on high alert for potential criminal behavior; Oscar and Emma take advantage, reliving their youthful friskiness; Lacey touches a nerve of Brent's.

There are many questions for Adam upon figuring out that they are in the Cash Cab; regardless, the group of three carry on.

Two brothers try to impress their gorgeous friend with their cash cab wits; but it's possible it will be Marcia who will be the impressive one, all the way to their destination.

Brent and Hank take a trip down memory lane by stealing crab apples from a neighbor's yard; no one wants Oscar on their charades team; Davis and Wanda discover he benefits of complaining.

David tries to buy the original R2-D2 after Hank buys a robot online.

Wanda repairs junk to re-sell at the community yard sale; Oscar, Emma, and Davis become obsessed with Karen's high-end beauty serums.

The Corner Gas parking lot becomes a drive-in; Hank puts Davis and Karen on high alert for potential criminal behavior; Oscar and Emma take advantage, reliving their youthful friskiness; Lacey touches a nerve of Brent's.

Dan meets his in-laws for the first time when Louise's family comes to visit; Darlene helps Becky with a parenting problem.

Rachel encounters a sorority sister (Winona Ryder) with whom she shared an embarrassing and passionate moment.

While writing their wedding vows, Monica and Chandler have trouble putting their true feelings on paper.

Trying to ensure an ideal wedding, Monica arranges a meeting so Chandler and his estranged father can reconcile.

During a family emergency, with both James and Astrid busy at work, they need to rethink their childcare plan.

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

Astrid and James get some much-needed adult time when they convince Nisha to take the kids for the night; their night gets complicated however, when a small lie grows out of control.

Leonard and Sheldon try to avoid seeing Penny perform after hearing her sing, but the elaborate lie Sheldon tells leads to an unexpected result.

Leonard and the boys avoid Sheldon when he gets sick, leaving Penny to nurse him back to health.

Sheldon and Leonard look for a way to derail a 15-year-old physics prodigy's research.

Dan meets his in-laws for the first time when Louise's family comes to visit; Darlene helps Becky with a parenting problem.

The death of a beloved teacher from Dan and Jackie's high school brings old classmates together; Becky asks Darlene and Ben for a big favor.

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

The reception following Monica and Chandler's wedding is almost upstaged by the news that a member of the group might be pregnant.

The gals speculate about the father of Rachel's baby, the guys scramble after Chandler loses the film from his wedding.

The real father of Rachel's baby is revealed; Monica and Chandler struggle to make their honeymoon flight.

Leonard and Sheldon try to avoid seeing Penny perform after hearing her sing, but the elaborate lie Sheldon tells leads to an unexpected result.

Leonard and the boys avoid Sheldon when he gets sick, leaving Penny to nurse him back to health.

Leonard and Penny are drawn together after a disastrous visit from Leonard's mother (Christine Baranski).

A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.

Sheldon and Leonard look for a way to derail a 15-year-old physics prodigy's research.

The death of a beloved teacher from Dan and Jackie's high school brings old classmates together; Becky asks Darlene and Ben for a big favor.

Leonard and Sheldon try to avoid seeing Penny perform after hearing her sing, but the elaborate lie Sheldon tells leads to an unexpected result.

Leonard and the boys avoid Sheldon when he gets sick, leaving Penny to nurse him back to health.

Sheldon and Leonard look for a way to derail a 15-year-old physics prodigy's research.

Leonard and Penny are drawn together after a disastrous visit from Leonard's mother (Christine Baranski).

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

The reception following Monica and Chandler's wedding is almost upstaged by the news that a member of the group might be pregnant.

The gals speculate about the father of Rachel's baby, the guys scramble after Chandler loses the film from his wedding.

The real father of Rachel's baby is revealed; Monica and Chandler struggle to make their honeymoon flight.

Leonard and Penny are drawn together after a disastrous visit from Leonard's mother (Christine Baranski).

A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.

Dan meets his in-laws for the first time when Louise's family comes to visit; Darlene helps Becky with a parenting problem.

The death of a beloved teacher from Dan and Jackie's high school brings old classmates together; Becky asks Darlene and Ben for a big favor.

Emma causes tension at the elementary school after a teacher leaves her in charge.

As a windstorm creates havoc, Lacey's sign on her rooftop begins to lose all of the letters one by one.

Brent and Wanda help Lacey overcome her fears so she can go skydiving; Hank becomes the town messenger; Oscar and Emma go to war with Karen and Davis over a prime potato planting locale.

Wanda, Lacey, and Karen team up to fix The Ruby's broken toaster; Emma and Oscar have an impression-off; Davis is excited when he discovers Hank owns a valuable action figure.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Emma causes tension at the elementary school after a teacher leaves her in charge.

As a windstorm creates havoc, Lacey's sign on her rooftop begins to lose all of the letters one by one.

Brent and Wanda help Lacey overcome her fears so she can go skydiving; Hank becomes the town messenger; Oscar and Emma go to war with Karen and Davis over a prime potato planting locale.

Wanda, Lacey, and Karen team up to fix The Ruby's broken toaster; Emma and Oscar have an impression-off; Davis is excited when he discovers Hank owns a valuable action figure.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Emma causes tension at the elementary school after a teacher leaves her in charge.

As a windstorm creates havoc, Lacey's sign on her rooftop begins to lose all of the letters one by one.

Brent and Wanda help Lacey overcome her fears so she can go skydiving; Hank becomes the town messenger; Oscar and Emma go to war with Karen and Davis over a prime potato planting locale.

Wanda, Lacey, and Karen team up to fix The Ruby's broken toaster; Emma and Oscar have an impression-off; Davis is excited when he discovers Hank owns a valuable action figure.

Darlene and Ben get into a fight and ignore Becky's boundaries in the house; Dan accuses Jackie of losing all of their home videos.

On the eve of the wedding, Ross searches for missing Chandler, who has doubts, while the girls distract unsuspecting Monica.

The reception following Monica and Chandler's wedding is almost upstaged by the news that a member of the group might be pregnant.

The gals speculate about the father of Rachel's baby, the guys scramble after Chandler loses the film from his wedding.

The real father of Rachel's baby is revealed; Monica and Chandler struggle to make their honeymoon flight.

When Sheldon tries to prove his mental superiority as they train for the Physics Bowl, the guys kick him off the team and bring his nemesis (Sara Gilbert) aboard.

Leonard and the guys buy a time machine prop from a classic movie; Penny tells the guys their obsession with comics and toys is pathetic.

Leonard devises a plan to eliminate his rivals when he, Wolowitz and Koothrappali all fall for Sheldon's twin sister, but his plan backfires when Sheldon decides to choose who his sister dates.

Darlene and Ben get into a fight and ignore Becky's boundaries in the house; Dan accuses Jackie of losing all of their home videos.

Darlene has issues with Dan's plumbing work in her new house; Jackie tries to find a caregiver for Bev.

Hoping to spend more time with Robin, Ted throws a series of parties at his apartment.

Ted agrees to let Barney spice up his love life, so he ends up on an adventure of flying to Philadelphia, encountering the law and visiting the Liberty Bell.

An "intimacy in the workplace" discussion leads Joyce to discover she's out of the loop on office gossip; Alex gets self-conscious about her sex life; Bruce tries to fight a new policy about dating co-workers.

Riley, desperate for work, reluctantly takes a job at Matt's shop; Gabriel and Stitch secretly stray from Matt's vision on a high-stakes restomod project.

When Sheldon tries to prove his mental superiority as they train for the Physics Bowl, the guys kick him off the team and bring his nemesis (Sara Gilbert) aboard.

Leonard and the guys buy a time machine prop from a classic movie; Penny tells the guys their obsession with comics and toys is pathetic.

Leonard, Sheldon and Wolowitz are ecstatic to learn that a famous science-fiction actress (Summer Glau) is aboard the train they are taking to San Francisco.

Penny's home business turns into a complete nightmare when Sheldon takes over.

Leonard devises a plan to eliminate his rivals when he, Wolowitz and Koothrappali all fall for Sheldon's twin sister, but his plan backfires when Sheldon decides to choose who his sister dates.

Darlene has issues with Dan's plumbing work in her new house; Jackie tries to find a caregiver for Bev.

When Sheldon tries to prove his mental superiority as they train for the Physics Bowl, the guys kick him off the team and bring his nemesis (Sara Gilbert) aboard.

Leonard and the guys buy a time machine prop from a classic movie; Penny tells the guys their obsession with comics and toys is pathetic.

Leonard devises a plan to eliminate his rivals when he, Wolowitz and Koothrappali all fall for Sheldon's twin sister, but his plan backfires when Sheldon decides to choose who his sister dates.

Leonard, Sheldon and Wolowitz are ecstatic to learn that a famous science-fiction actress (Summer Glau) is aboard the train they are taking to San Francisco.

Hoping to spend more time with Robin, Ted throws a series of parties at his apartment.

Ted agrees to let Barney spice up his love life, so he ends up on an adventure of flying to Philadelphia, encountering the law and visiting the Liberty Bell.

An "intimacy in the workplace" discussion leads Joyce to discover she's out of the loop on office gossip; Alex gets self-conscious about her sex life; Bruce tries to fight a new policy about dating co-workers.

Riley, desperate for work, reluctantly takes a job at Matt's shop; Gabriel and Stitch secretly stray from Matt's vision on a high-stakes restomod project.

Leonard, Sheldon and Wolowitz are ecstatic to learn that a famous science-fiction actress (Summer Glau) is aboard the train they are taking to San Francisco.

Penny's home business turns into a complete nightmare when Sheldon takes over.

Darlene and Ben get into a fight and ignore Becky's boundaries in the house; Dan accuses Jackie of losing all of their home videos.

Darlene has issues with Dan's plumbing work in her new house; Jackie tries to find a caregiver for Bev.

Brent has an opportunity to pursue his dream, but his weekly disappearances causes rumours to circulate.

A big city girl from Toronto moves in to run the coffee shop next door to the Corner Gas station.

A tax man comes to audit the Corner Gas business records; Lacey's approach to selling coffee doesn't fly with the locals.

Lacey offers free Pilates classes; Oscar takes steps to avoid being buried in a cheap looking coffin.

Blood is shed in the name of trivia when a contestant nearly breaks his nose in a moment of celebration, Man v. Food host Casey Webb makes a special guest appearance, and Ben makes dreams come true for two brothers who get their chance in the Cash C.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Brent has an opportunity to pursue his dream, but his weekly disappearances causes rumours to circulate.

A big city girl from Toronto moves in to run the coffee shop next door to the Corner Gas station.

A tax man comes to audit the Corner Gas business records; Lacey's approach to selling coffee doesn't fly with the locals.

Lacey offers free Pilates classes; Oscar takes steps to avoid being buried in a cheap looking coffin.

Blood is shed in the name of trivia when a contestant nearly breaks his nose in a moment of celebration, Man v. Food host Casey Webb makes a special guest appearance, and Ben makes dreams come true for two brothers who get their chance in the Cash C.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Brent has an opportunity to pursue his dream, but his weekly disappearances causes rumours to circulate.

A big city girl from Toronto moves in to run the coffee shop next door to the Corner Gas station.

A tax man comes to audit the Corner Gas business records; Lacey's approach to selling coffee doesn't fly with the locals.

Lacey offers free Pilates classes; Oscar takes steps to avoid being buried in a cheap looking coffin.

Darlene continues her search for a new job; Becky is desperate to spend more time with Beverly Rose.

Hoping to spend more time with Robin, Ted throws a series of parties at his apartment.

Ted agrees to let Barney spice up his love life, so he ends up on an adventure of flying to Philadelphia, encountering the law and visiting the Liberty Bell.

An "intimacy in the workplace" discussion leads Joyce to discover she's out of the loop on office gossip; Alex gets self-conscious about her sex life; Bruce tries to fight a new policy about dating co-workers.

Riley, desperate for work, reluctantly takes a job at Matt's shop; Gabriel and Stitch secretly stray from Matt's vision on a high-stakes restomod project.

Penny learns that Leonard does not celebrate birthdays, so she plans a surprise party; Sheldon unexpectedly gets to live out one of his biggest fantasies in an electronics store.

When Leonard finally works up the courage to ask Penny out on a date, they each turn to Sheldon for advice.

Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.

Darlene continues her search for a new job; Becky is desperate to spend more time with Beverly Rose.

Harris makes a big announcement; Ben is overwhelmed with family responsibilities.

Ted and Barney go out to the clubs with Robin, as Lily and Marshall go to an adult wine and cheese party.

Ted makes his yearly pilgrimage to the rooftop Halloween party in search of a girl he met years ago.

Ted visits a matchmaker in his search for love, but he is sent away matchless.

Ted and Marshall decide that a sword fight will be the means of settling who will get to keep their apartment.

Penny learns that Leonard does not celebrate birthdays, so she plans a surprise party; Sheldon unexpectedly gets to live out one of his biggest fantasies in an electronics store.

When Leonard finally works up the courage to ask Penny out on a date, they each turn to Sheldon for advice.

Penny develops a rivalry with a sexy new female neighbor who threatens her position as queen bee of the building.

Wolowitz and Leonard decide to check out a local bar on Ladies' Night.

Conan and former first lady Michelle Obama visit U.S. troops stationed at the Al Udeid Air Base in Doha, Qatar.

Penny learns that Leonard does not celebrate birthdays, so she plans a surprise party; Sheldon unexpectedly gets to live out one of his biggest fantasies in an electronics store.

When Leonard finally works up the courage to ask Penny out on a date, they each turn to Sheldon for advice.

Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.

Penny develops a rivalry with a sexy new female neighbor who threatens her position as queen bee of the building.

Conan and former first lady Michelle Obama visit U.S. troops stationed at the Al Udeid Air Base in Doha, Qatar.

Ted visits a matchmaker in his search for love, but he is sent away matchless.

Ted and Marshall decide that a sword fight will be the means of settling who will get to keep their apartment.

Penny develops a rivalry with a sexy new female neighbor who threatens her position as queen bee of the building.

Wolowitz and Leonard decide to check out a local bar on Ladies' Night.

Darlene continues her search for a new job; Becky is desperate to spend more time with Beverly Rose.

Harris makes a big announcement; Ben is overwhelmed with family responsibilities.

Brent agrees to baby-sit Wanda's troubled 6-year old son, Tanner, to impress Lacey.

Rookie cop Karen makes it her mission to find out who spray-painted "Grad 68" on the water tower.

Dog River decides to put up a giant landmark; Oscar struggles to stop a love-struck admirer from ruining his marriage.

When Lacey's ex-fiance from Toronto comes to visit, the people of Dog River take matters into their own hands to protect her from her past.

Dog River prepares for its annual talent show; Brent's cousin Carl, whom everyone seems to love, except Brent, comes for a visit.

Davis tries to keep up with Brent; Lacey tries to prove she has community spirit by trying to save one of the town's historic landmarks.

After seeing Penny with a handsome new guy, Leonard rushes into a rebound relationship with Sheldon's nemesis, Leslie Winkle.

Sheldon creates a monster when he introduces Penny to online gaming.

Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.

Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.

Sheldon and the gang are confused when a young grad student is attracted to him.

When Sheldon bans Penny from the apartment for a series of petty infractions, Penny vows to get revenge.

Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.

Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.

Leonard asks Penny for advice when his new relationship starts moving too fast.

When Penny's comment about Wolowitz's love life sends him into a depressed stupor, his friends lose their most important teammate in an upcoming fighting-robot competition.

Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.

Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.

Leonard and Penny are drawn together after a disastrous visit from Leonard's mother (Christine Baranski).

A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.

After seeing Penny with a handsome new guy, Leonard rushes into a rebound relationship with Sheldon's nemesis, Leslie Winkle.

Sheldon creates a monster when he introduces Penny to online gaming.

Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.

Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.

Sheldon and the gang are confused when a young grad student is attracted to him.

When Sheldon bans Penny from the apartment for a series of petty infractions, Penny vows to get revenge.

Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.

Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.

Leonard asks Penny for advice when his new relationship starts moving too fast.

When Penny's comment about Wolowitz's love life sends him into a depressed stupor, his friends lose their most important teammate in an upcoming fighting-robot competition.

Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.

Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.

Leonard and Penny are drawn together after a disastrous visit from Leonard's mother (Christine Baranski).

A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.

After seeing Penny with a handsome new guy, Leonard rushes into a rebound relationship with Sheldon's nemesis, Leslie Winkle.

Sheldon creates a monster when he introduces Penny to online gaming.

Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.

Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.

Sheldon and the gang are confused when a young grad student is attracted to him.

When Sheldon bans Penny from the apartment for a series of petty infractions, Penny vows to get revenge.

Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.

Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.

Leonard asks Penny for advice when his new relationship starts moving too fast.

When Penny's comment about Wolowitz's love life sends him into a depressed stupor, his friends lose their most important teammate in an upcoming fighting-robot competition.

Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.

Sheldon's solution to Penny's financial difficulty leads to a confrontation between Leonard and Penny's ex-boyfriend.

Leonard and Penny are drawn together after a disastrous visit from Leonard's mother (Christine Baranski).

A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.

Brent develops a grudge for an out-of-town comedian who performs at a comedy night in Dog River; Hank is star-struck by the guy and arranges to be the M.C. for the night.

Brent puts a sign with slogans in front of the gas station and coffee shop; Brent and Emma worry about Oscar's memory.

The Dog River hockey team finds itself at a crossroads; Brent is a great goalie and is being taken for granted by his teammates; when an offer from a rival team comes his way, he has a decision to make.

On the way to the Grey Cup, Brent considers his real feelings for Lacey.

Brent and Lacey try to figure out their relationship; Emma's on the warpath.

Brent finds out his parents never married; Lacey's mission to help Oscar.

Joey confesses his true feelings for Rachel; Phoebe introduces Monica to her new boyfriend (Harry Van Gorkum).

Rachel devises a lie about her unborn child that she hopes will break the silence between her and Joey; Phoebe reads tea leaves and predicts she will soon encounter the man of her dreams.

Phoebe brings her annoyingly upbeat boyfriend to the 35th anniversary of Monica and Ross' parents, who urge Ross and pregnant Rachel to pretend to be married.

When Soap Opera Digest requests an interview, Joey enlists his friends to make sure he does not say anything that could cost him his role.

During her baby shower, Rachel realizes she is unprepared to be a mother and accepts her mother's (Marlo Thomas) offer to move in to help with the child.

A food critic blasts Monica's cooking in a newspaper review; a cute saleswoman (Rena Sofer) riles Rachel when she flirts with Ross; Phoebe coaches Chandler for a job interview.

Monica and Phoebe make a bet after Rachel passes her delivery date; Chandler falls asleep at the premiere screening of Joey's new film.

Rachel goes into labor, enduring endless pain while anxious Ross hovers nearby and her waiting friends wreak havoc in the hospital.

Rachel goes into labor, enduring endless pain while anxious Ross hovers nearby and her waiting friends wreak havoc in the hospital.

Joey finds himself engaged to Rachel soon after she delivers her baby girl, while Phoebe assumes Ross is the one who proposed; Joey sneaks a peek as Rachel tries unsuccessfully to nurse; Monica and Chandler retire to a supply closet for privacy.

Joey seeks forgiveness from Ross, while Rachel tries to quell Emma's incessant crying.

Emma's pediatrician drops her as a patient because of Rachel's constant calls.

Monica fears Chandler has a sexual fetish involving sharks; Phoebe fears losing her boyfriend.

Phoebe grows famished waiting for her tardy chums to show up at her birthday dinner; Rachel frets about leaving Emma with a baby sitter.

Joey confesses his true feelings for Rachel; Phoebe introduces Monica to her new boyfriend (Harry Van Gorkum).

Rachel devises a lie about her unborn child that she hopes will break the silence between her and Joey; Phoebe reads tea leaves and predicts she will soon encounter the man of her dreams.

Phoebe brings her annoyingly upbeat boyfriend to the 35th anniversary of Monica and Ross' parents, who urge Ross and pregnant Rachel to pretend to be married.

When Soap Opera Digest requests an interview, Joey enlists his friends to make sure he does not say anything that could cost him his role.

During her baby shower, Rachel realizes she is unprepared to be a mother and accepts her mother's (Marlo Thomas) offer to move in to help with the child.

A food critic blasts Monica's cooking in a newspaper review; a cute saleswoman (Rena Sofer) riles Rachel when she flirts with Ross; Phoebe coaches Chandler for a job interview.